Gen7Pets Natural Premium Step Pet Ramp for Dogs and Cats &ndash; Folds Flat, Lightweight and Strong Grip Safe grip artificial turf tread. Folds flat for compact storage. Automatically locks when folded. Soft rubber handle grip. Durable rubber grippers on ends for secure placement. Maximum weight 200 lbs. Open Dimensions 42 long x 16 wide x 1.5 thick. Folded Dimensions 21 long x 16 wide x 3 thick. For heights up to 2 feet.